Next step: close the loop. Option 1: Let the next set of values (colors of the button in the example) themselves be generated after n runs. Option 2: let use

Next step: close the loop. Option 1: Let the next set of values (colors of the button in the example) themselves be generated after n runs. Option 2: let users modify the css as part of a "customization " feature. I remember they did this before the new BBC site was officially launched a few years ago.